/Engine/Plugins/Runtime/XRBase/Source/XRBase/Public/HeadMountedDisplayFunctionLibrary.h
Returns the worn state of the device.
Unknown, Worn, NotWorn. If the platform does not detect this it will always return Unknown.
[UFUNCTION](Programming/UnrealArchitecture/Reference/Functions)(BlueprintPure, Category="Input|HeadMountedDisplay") static [EHMDWornState::Type](API\Runtime\HeadMountedDisplay\EHMDWornState__Type) GetHMDWornState()